人类社会的发展离不开能源。随着世界人口的增加,能源消费也激增。本世纪初,世界人口为16亿,能源消费为6.8亿吨标准煤。今天,世界人口已达50亿,比世纪初增加2倍,但能源消费却猛增到114亿吨标准煤,增加了15.8倍。同时,专家认为, The development of human society can not do without energy. As the world’s population increases, so does energy consumption. At the beginning of this century, the world’s population was 1.6 billion and energy consumption was 680 million tons of standard coal. Today, the world’s population has reached 5 billion, an increase of 2 times over the beginning of this century. However, energy consumption soared to 11.4 billion tons of standard coal, an increase of 15.8 times. At the same time, experts believe that,